package C11_2_PullUpMethod.before_refactor;

import java.util.Date;

/**
 * 普通顾客
 */
public class RegularCustomer extends Customer {
    void createBill(Date date) {
        double chargeAmount = chargeFor(lastBillDate, date);
        addBill(date, chargeAmount);
    }
    double chargeFor(Date start, Date end) {

        return 0;
    }
}
